> Offhand I would expect you have hit a condition in a filesystem. You say > "move" .... does that mean delete as well? If so and if you are using XFS, > that is normal. XFS seems to do something really interesting with deletion, > perhaps some form of defragging of open space. > > if you are using ext2 I would be shocked by this behavior, but the journaling > filesystems do have additional overhead. > > Let's get a little better description of your setup and see if someone can > reproduce the behavior.
Doh! Filesystem is the obvious thing i forgot to describe. All partitions are formatted with ext3. I've have them mounted with data=journal at the moment, but i found a speed comparison with ext2, ext3 and reiserfs, which showed the default ext3 to be considerably slower. i'm going to wait till early tommorow till i'm sure there are no or minimal users on the site, stop apache and mysql, then remount the data partition with data=writeback, which is supposedly a lot faster and will still give the same guarantee of consistancy as reiserfs. I had tried data=writeback on the quiet machine, but didn't notice a considerable difference. I'm going to run some tests on the quiet system at the moment, and then try the live system in the morning, so i'll let you know how it goes. my reference: http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&oe=UTF-8&selm=linux.kernel.E162ZQN-00069u-00%40fenrus.demon.nl thanks, thorsten -- |-------------------------------| |--------Thorsten-Sideb0ard-----| |---Consolidated Independent----| |-------------------------------|
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